*{
    margin: 0;
    padding: 0;
}
body {
    background-color: #f7f7f7;
  }
  * {
    padding: 0;
    margin: 0;
  }
  .j-nav {
    width: 100%;
    height: 60px;
    background-color: rgba(40, 40, 40, 1);
  }
  .logo-img {
    float: left;
    width: 200px;
    height: 100%;
  }
  .nav-list {
    float: left;
    list-style-type: none;
    padding: 0;
  }
  .nav-list > li {
    display: inline-block;
    color: white;
    padding: 18px;
  }
  .nav-list > li > a {
    color: white;
    text-decoration: none;
  }
  .nav-list > li:hover {
    background-color: rgba(85, 85, 85, 1);
    cursor: pointer;
    transition: 0.5s;
  }
  .nav-form {
    float: right;
    color: white;
    padding: 18px;
    font-size: 18px;
  }
  .main-img {
    position: relative;
    top: -16px;
    width: 100%;
    height: 470px;
    /*  background-image: url('../images/R-C.jpg');*/
    background-size: cover;
    background-position: center center;
    transition: 1s;
    overflow: hidden;
  }
  #video-bg {
    width: 100%;
    height: auto;
    min-height: 100%;
    max-height: 400px;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: -1;
    pointer-events: none;
    object-fit: cover
  }
  .img-mask {
    position: relative;
    top: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    background-color: rgba(58, 58, 58, .5);
  }
  .outerTank {
    display: flex;
    width: 100%;
    height: 1000px;
  }
  .outerTank .tank {
    flex: 1;
  }
  .img-text {
    width: 70%;
    height: 250px;
  }
  .nav-side {
    display: none;
  }
  .nav-form > input {
    width: 150px;
    height: 30px;
    transition: 0.9s;
    background-color: rgba(87, 87, 87, 1);
    border: none;
    border-radius: 10px;
  }
  .nav-form > input:focus {
    border: none;
    width: 160px;
  }
  .nav-form > button {
    border: none;
    background-color: orange;
    color: white;
    margin-left: 5px;
    width: 60px;
    height: 30px;
    font-size: 1rem;
    border-radius: 5px;
  }
  .sm-nav-form > input {
    width: 160px;
    height: 30px;
    transition: 0.9s;
    background-color: rgba(87, 87, 87, 1);
    border: none;
    border-radius: 5px;
    color: white;
  }
  .nav-form > button:hover {
    background-color: orangered;
    transition: 1s;
  }
  .sm-nav-form > button {
    border: none;
    background-color: orange;
    color: white;
    margin-left: 5px;
    width: 60px;
    height: 30px;
    font-size: 1rem;
    border-radius: 5px;
  }
  .skill-box {
    width: 23%;
    margin-top: 10px;
  }
  .img-text > a:hover .fa-angle-double-right {
    transform: rotate(180deg);
    transition: 0.5s;
  }
  .skill-box img:hover {
    transform: rotate(360deg);
    transition: 0.7s;
  }
  .sidebar-open {
    width: 40px;
    height: 40px;
    background-color: orangered;
    position: fixed;
    right: 0;
    bottom: 10vh;
    border-radius: 50%;
    z-index: 2 /*	opacity: 0;*/
  }
  .sidebar-open:hover {
    background-color: #ff8022;
    box-shadow: 1px 1px 15px 1px orange;
    transition: 0.5s;
  }
  .sidebar {
    position: fixed;
    right: 0;
    bottom: 10vh;
    border: 1px orange solid;
  }
  .sidebar-list > li {
    padding: 10px 20px;
  }
  .footer {
    width: 100%;
    background-color: rgba(40, 40, 40, 1);
  }
  .footer-sharp {
    width: 45%;
    margin-top: 40px;
    color: black
  }
  .inp-sharp {
    background-color: rgba(80, 80, 80, 1);
    color: white;
    border: none;
    width: 100%;
  }
  .footer-sharp > button {
    width: 100%;
    border: none;
    background-color: orangered;
    color: white;
    padding: 5px;
    margin-bottom: 40px;
  }
  .footer-end {
    width: 48%;
    color: black;
    margin-top: 40px;
  }
  .imglist > a {
    padding: 10px;
  }
  .imglist > a > img {
    border-radius: 15px;
  }
  .footer-end > ul {
    width: 70%;
    margin: auto;
    list-style-type: none;
  }
  .footer-end > ul > li {
    padding: 5px;
  }
  .footer-end > video {
    border-radius: 5px;
  }
  .footer-text {
    width: 53%;
    margin-top: 40px;
    color: rgba(205, 205, 205, 1.00);
    font-size: .9rem;
    padding-left: 20px
  }
  .footer-links > span > a {
    padding: 10px;
    color: rgba(205, 205, 205, 1.00)
  }
  .footer-info > li {
    margin: 5px auto;
  }
  .drowdown-box {
    width: 100%;
    height: 100px;
    position: absolute;
    top: 60px;
    left: 0;
    background-color: rgba(40, 40, 40, 1);
    z-index: 3;
    display: none;
  }
  .drowdown-box > p > span {
    font-size: .9rem;
    margin: 15px;
    color: white;
  }
  .drowdown-box > p > span > a {
    color: white;
    /* text-decoration: none; */
  }
  .drowdown:hover .drowdown-box {
    display: block;
  }
  .textbox {
    opacity: .1;
  }
  .textbox:hover {
    transition: .8s;
    opacity: 1;
  }
  


body{
    font-size: 15px;
    background: url(./图片素材/1.jpg) no-repeat;
    background-size: cover;
    background-attachment: fixed;
}

.dropbtn{
    position: relative;
    display: inline-block;
    
    
}

.dropbtn a{
    display: flex;
    text-decoration: none;
    color: rgb(0, 0, 0);
    margin-left: 50px;
    margin-right: 50px;
    font-family: 'pixelmplus12regular';
    font-weight: normal;
    font-style: normal;
    
}

.header{
    
    display: flex;
    width: 100%;
    height: 50px;
    background-color: #db0dc3;
    align-items: center;
    justify-content: center;
    position: fixed;
}


.dropdown-content{
    display: none;
    position: absolute;
    background-color: #06e0cee1;
    width: 100%;
    border-radius: 10%;
}

.dropdown-content a{
    display: block;
    width: 80%;
    margin: 0 auto;
    text-align: center;
    /* color: ; */
    
    border-radius: 5%;
    margin-top: 10px;
    margin-bottom: 10px;
    
    
    
}

.dropdown-content a:hover{
    color: pink;
}
.dropbtn:hover .dropdown-content{
    display: block;
    
    
}


@font-face {
    font-family: 'PixelMplus12Regular';
    src: url('../css/PixelMplus12-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}
.drowdown-box {
    width: 100%;
    height: 100px;
    position: absolute;
    top: 60px;
    left: 0;
    background-color: rgba(40, 40, 40, 1);
    z-index: 3;
    display: none;
  }
  .drowdown-box > p > span {
    font-size: .9rem;
    margin: 15px;
    color: white;
  }
  .drowdown-box > p > span > a {
    color: white;
    /* text-decoration: none; */
  }
  .drowdown:hover .drowdown-box {
    display: block;
  }
  .textbox {
  opacity: .1;
}
.textbox:hover {
  transition: .8s;
  opacity: 1;
}
